<!--
 * @Description: 请输入描述信息
 * @Version: 请输入版本号
 * @Autor: renmengxue
 * @Date: 2021-07-26 15:43:35
 * @LastEditors: renmengxue
 * @LastEditTime: 2021-07-27 11:55:01
-->
<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登陆表单区域 -->
      <el-form
        ref="loginFormRef"
        :rules="loginFormRules"
        :model="loginForm"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-user"
            v-model="loginForm.username"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="iconfont icon-mima"
            show-password
            v-model="loginForm.password"
            @keyup.enter.native="login"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login" :loading="loading"
            >登陆</el-button
          >
          <el-button type="primary" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      // 登陆信息的数据绑定
      loginForm: {
        username: 'admin',
        password: '12345678'
      },
      // 表单的验证规则
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登陆名称', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登陆密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ]
      },
      loading: false
    }
  },
  methods: {
    // 重置按钮表单
    resetLoginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      // 先获取表单的参数的值

      this.$refs.loginFormRef.validate(async valid => {
        // valid是true的情况下发起请求
        this.loading = true
        if (!valid) return
        const { data: res } = await this.$http.post(
          'login/webLogin',
          this.loginForm
        )
        if (res.code !== 0) {
          this.loading = false
          return this.$message.error('登陆失败')
        }
        this.loading = false
        this.$message.success('登陆成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .btns {
    display: flex; //开启弹性盒
    justify-content: flex-end; //弹性盒右对齐
  }
}
</style>
